/* ============================================================
   Falcora — Auth Pages Stylesheet
   ============================================================ */

/* ---------- Variables (shared with landing) ---------- */
:root {
    --color-primary: #1B3BF5;
    --color-primary-dark: #0F2BD4;
    --color-primary-light: #E8EDFE;
    --color-accent: #C8FF00;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F6F7FB;
    --color-bg-dark: #0B1437;
    --color-text: #1A1D2B;
    --color-text-secondary: #5E6278;
    --color-text-muted: #9CA0B0;
    --color-border: #E4E6EF;
    --color-green: #0ABF6B;
    --color-green-bg: #E6F9F0;
    --color-red: #EF4444;
    --color-red-bg: #FEF2F2;
    --color-yellow: #F59E0B;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', 'SF Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg-alt);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; display: block; }
input { font-family: inherit; }

/* ============================================================
   AUTH LAYOUT — Split Panel
   ============================================================ */
.auth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    max-width: 1440px;
    margin: 0 auto;
    background: var(--color-bg);
    box-shadow: var(--shadow-lg);
}
.nav__logo-icon {
    width: 110px;
}

/* ---- Left: Form Side ---- */
.auth__form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    overflow-y: auto;
}

.auth__form-inner {
    width: 100%;
    max-width: 440px;
}

.form-check--error .form-check-label {
    color: #ff4d4d;
}

.form-check--error .form-checkbox {
    outline: 1.5px solid #ff4d4d;
    border-radius: 5px;
}

/* Logo */
.auth__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 36px;
}

.auth__logo-icon {
    width: 30px;
    height: 30px;
    color: var(--color-primary);
}

/* Heading */
.auth__heading {
    margin-bottom: 32px;
}

.auth__heading h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 8px;
}

.auth__heading p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Social Buttons */
.auth__socials {
    display: flex;
    justify-content:center;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
}
.auth__terms--error {
    color: #ef4444;
}

    .auth__terms--error a {
        color: #ef4444;
    }
.auth__social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg);
    transition: all 0.2s;
}

.auth__social-btn:hover {
    border-color: var(--color-text-muted);
    background: var(--color-bg-alt);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Divider */
.auth__divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.auth__divider::before,
.auth__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.auth__divider span {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: lowercase;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.auth__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 59, 245, 0.1);
}

.form-input--error {
    border-color: var(--color-red);
}

.form-input--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input--success {
    border-color: var(--color-green);
}

/* Password Toggle */
.form-input-wrap {
    position: relative;
}

.form-input-wrap .form-input {
    padding-right: 48px;
}

.form-toggle-pw {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    padding: 4px;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.form-toggle-pw:hover {
    color: var(--color-text);
}

/* Password Strength */
.pw-strength {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    display: none;
}

.pw-strength--visible {
    display: flex;
}

.pw-strength__bar {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.pw-strength__fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.3s, background 0.3s;
}

.pw-strength__fill--weak   { width: 25%;  background: var(--color-red); }
.pw-strength__fill--fair    { width: 50%;  background: var(--color-yellow); }
.pw-strength__fill--good    { width: 75%;  background: #3B82F6; }
.pw-strength__fill--strong  { width: 100%; background: var(--color-green); }

.pw-strength__text {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.pw-strength__text--weak   { color: var(--color-red); }
.pw-strength__text--fair    { color: var(--color-yellow); }
.pw-strength__text--good    { color: #3B82F6; }
.pw-strength__text--strong  { color: var(--color-green); }

/* Error Text */
.form-error {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-red);
    min-height: 0;
    transition: all 0.2s;
}

.form-error--visible {
    min-height: 16px;
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-check-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Links */
.form-link {
    color: var(--color-primary);
    font-weight: 600;
    transition: color 0.2s;
}

.form-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.form-link--bold {
    font-weight: 700;
}

/* Submit Button */
.auth__submit-btn {
    width: 100%;
    padding: 14px 28px;
    background: var(--color-primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.25s;
    margin-top: 4px;
}

.auth__submit-btn:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(27, 59, 245, 0.3);
}

.auth__submit-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.auth__submit-loader svg {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alert Banner */
.auth__alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
}

.auth__alert--error {
    background: var(--color-red-bg);
    color: var(--color-red);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.auth__alert--success {
    background: var(--color-green-bg);
    color: var(--color-green);
    border: 1px solid rgba(10, 191, 107, 0.15);
}

/* Footer */
.auth__footer {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 28px;
}

/* ============================================================
   RIGHT: Hero Panel
   ============================================================ */
.auth__hero-side {
    background: var(--color-primary);
    border-radius: 0 0 0 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

/* Background effects */
.auth__hero-side::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(200,255,0,0.05) 0%, transparent 40%);
    pointer-events: none;
}

.auth__hero-content {
    position: relative;
    z-index: 2;
    margin-bottom: 48px;
}

.auth__hero-content h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.auth__hero-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
    max-width: 400px;
}

/* Floating Cards */
.auth__hero-cards {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
}

.auth__float-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    max-width: 320px;
}

.auth__float-card--yield {
    animation: float-a 6s ease-in-out infinite;
    align-self: flex-start;
}

.auth__float-card--risk {
    animation: float-b 7s ease-in-out infinite;
    animation-delay: 1s;
    align-self: flex-end;
}

.auth__float-card--bars {
    animation: float-a 5s ease-in-out infinite;
    animation-delay: 2s;
    align-self: center;
}

@keyframes float-a {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes float-b {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-8px) translateX(4px); }
}

.auth__float-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.auth__float-card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.auth__float-card-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.auth__float-card-badge--green {
    background: var(--color-green-bg);
    color: var(--color-green);
}

.auth__float-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.auth__float-card-change {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.auth__float-card-change--up { color: var(--color-green); }
.auth__float-card-change--down { color: var(--color-red); }

.auth__float-card-chart {
    height: 40px;
}

.auth__float-card-chart svg {
    width: 100%;
    height: 100%;
}

/* Risk rows */
.auth__float-card-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.auth__float-card-row + .auth__float-card-row {
    border-top: 1px solid var(--color-border);
}

.auth__risk-badge {
    width: 36px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    background: var(--color-green-bg);
    color: var(--color-green);
    flex-shrink: 0;
}

.auth__risk-badge--b {
    background: #FFFBEB;
    color: var(--color-yellow);
}

.auth__float-card-proto {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.auth__float-card-sub {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Bar chart */
.auth__bars-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 60px;
    margin-top: 12px;
}

.auth__bar {
    flex: 1;
    background: var(--color-primary-light);
    border-radius: 4px 4px 0 0;
    transition: height 0.6s ease;
}

.auth__bar--active {
    background: var(--color-primary);
}

/* Trust logos */
.auth__hero-trust {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.auth__hero-trust span {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.02em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .auth {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .auth__hero-side {
        display: none;
    }

    .auth__form-side {
        padding: 40px 24px;
    }

    .auth__form-inner {
        max-width: 480px;
    }
}

@media (max-width: 540px) {
    .auth__form-side {
        padding: 32px 20px;
    }

    .auth__heading h1 {
        font-size: 26px;
    }

    .auth__socials {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .auth__submit-btn {
        padding: 13px 24px;
        font-size: 15px;
    }
}